Active areas
Sunspots and active regions
By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 2655 | N14 | E25 | 06 | 0030 | Beta | May 9, 2017 | May 16, 2017 | May 29, 2017 |
| № 2654 | N11 | W38 | 05 | 0040 | Beta | May 4, 2017 | May 11, 2017 | May 25, 2017 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1988, January to 2017, May. Gray background - average solar cycle.
